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https://issues.apache.org/jira/browse/SPARK-47965?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon updated SPARK-47965:
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Summary: Avoid orNull in TypedConfigBuilder and OptionalConfigEntry (was:
Avoid orNull in TypedConfigBuilder)
> Avoid orNull in TypedConfigBuilder and OptionalConfigEntry
> ----------------------------------------------------------
>
> Key: SPARK-47965
> URL: https://issues.apache.org/jira/browse/SPARK-47965
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 4.0.0
> Reporter: Hyukjin Kwon
> Priority: Minor
> Labels: pull-request-available
>
> Configuration values/keys cannot be nulls. We should fix:
> {code}
> diff --git
> a/core/src/main/scala/org/apache/spark/internal/config/ConfigBuilder.scala
> b/core/src/main/scala/org/apache/spark/internal/config/ConfigBuilder.scala
> index 1f19e9444d38..d06535722625 100644
> --- a/core/src/main/scala/org/apache/spark/internal/config/ConfigBuilder.scala
> +++ b/core/src/main/scala/org/apache/spark/internal/config/ConfigBuilder.scala
> @@ -94,7 +94,7 @@ private[spark] class TypedConfigBuilder[T](
> import ConfigHelpers._
> def this(parent: ConfigBuilder, converter: String => T) = {
> - this(parent, converter, Option(_).map(_.toString).orNull)
> + this(parent, converter, { v: T => v.toString })
> }
> /** Apply a transformation to the user-provided values of the config
> entry. */
> {code}
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